>I was asked by another developer who has a problem in their system and can't track it down. He is getting an error during a Thisform.Refresh().
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>This is definitely one of the grids - I have seen this one myself. If you have code that is adding or deleting record from the grid's RecordSource in another popup form, try setting forcus to the grid when you come back from the pop up form.

Thanks, I'm working with him today to try and resolve remotely... Hopefully we can track this down quickly.